package com.hjq.mallorder.web;

import com.alipay.api.AlipayApiException;
import com.alipay.api.internal.util.AlipaySignature;
import com.hjq.mallorder.config.AlipayTemplate;
import com.hjq.mallorder.entity.OrderEntity;
import com.hjq.mallorder.entity.vo.PayAsyncVo;
import com.hjq.mallorder.entity.vo.PayVo;
import com.hjq.mallorder.service.OrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * @auther HJQ
 */
@Controller
public class PayController {
    @Autowired
    AlipayTemplate template;
    @Autowired
    OrderService orderService;
    @ResponseBody
    @RequestMapping( value = "/payOrder",produces = "text/html" )
    public  String submitOrder(@RequestParam("orderSn") String orderSn) throws AlipayApiException {

        
        PayVo orderByOrderSn = orderService.getOrderByOrderSn(orderSn);
        String pay = template.pay(orderByOrderSn);



       return pay;
    }
    @ResponseBody
    @RequestMapping( value = "/pay/notify" )
    public  String notifyOrder(PayAsyncVo payAsyncVo,HttpServletRequest request) throws UnsupportedEncodingException, AlipayApiException {


        //验证签名
        //验证签名
        //获取支付宝POST过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
//            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
           params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, template.getAlipay_public_key(), template.getCharset(), template.getSign_type()); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——

	/* 实际验证过程建议商户务必添加以下校验：
	1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
	2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
	3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
	4、验证app_id是否为该商户本身。
	*/
        if(signVerified) {//验证成功
            String s = orderService.handleResult(payAsyncVo);
            System.out.println("验证成功");
            return  s;
        }
        else {
            System.out.println("验证失败");
            return  "failed";
        }
    }
}
